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[SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com

From local10 <local10@tutanota.com>
Newsgroups linux.debian.user
Subject [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com
Date 2022-01-04 01:10 +0100
Message-ID <DBFyN-6yp-3@gated-at.bofh.it> (permalink)
References (2 earlier) <DBDQl-5t1-5@gated-at.bofh.it> <DBEjo-5DJ-9@gated-at.bofh.it> <DBEjo-5DJ-7@gated-at.bofh.it> <DBFp7-6fB-3@gated-at.bofh.it> <DBFyN-6yp-5@gated-at.bofh.it>
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Jan 3, 2022, 23:53 by local10@tutanota.com:

> Jan 3, 2022, 23:08 by dsr@randomstring.org:
>
>> Alright. Put this into your /etc/hosts temporarily:
>>
>> 152.195.33.23  www.usps.com tools.usps.com www.usps.gov
>>
>> That's unlikely to be an optimal IP from their CDN, but it is
>> currently working.
>>
>
> That fixed it, I got the USPS tracking page to load normally. Still not sure why it worked as tools.usps.com resolves for me to 152.195.33.23:
>
> # dig tools.usps.com
> ...
> ....
> ;; ANSWER SECTION:
> tools.usps.com.         42      IN      CNAME   cs1799.wpc.upsiloncdn.net.
> cs1799.wpc.upsiloncdn.net. 2078 IN      A       152.195.33.23
>

OK, I understand now what the problem was. Quite a while ago I added a line into the /etc/hosts to fix a temp DNS issue and completely forgot about it. So while DNS server was correctly resolving tools.usps.com to 152.195.33.23, my previous /etc/hosts entry was overriding it to 23.217.162.158 which was causing the certificate issue.

Thanks to everyone who responded.

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Firefox: Warning: Potential Security Risk Ahead for the USPS.com local10 <local10@tutanota.com> - 2022-01-03 23:10 +0100
  Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Roberto C. Sánchez <roberto@debian.org> - 2022-01-03 23:20 +0100
    Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-03 23:20 +0100
      Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Mark Allums <maa@allums.com> - 2022-01-03 23:40 +0100
        Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-03 23:50 +0100
      Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-03 23:50 +0100
        Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Dan Ritter <dsr@randomstring.org> - 2022-01-04 00:30 +0100
        Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-04 01:00 +0100
        [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com local10 <local10@tutanota.com> - 2022-01-04 01:10 +0100
          Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com Michael Stone <mstone@debian.org> - 2022-01-04 19:20 +0100
            Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com "James H. H. Lampert" <jamesl@touchtonecorp.com> - 2022-01-04 19:40 +0100
              Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-04 19:40 +0100
              Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com Michael Stone <mstone@debian.org> - 2022-01-04 21:30 +0100
            Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-04 19:40 +0100
              Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com David Wright <deblis@lionunicorn.co.uk> - 2022-01-04 20:40 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-04 21:00 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead  for the USPS.com Celejar <celejar@gmail.com> - 2022-01-04 22:10 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-05 06:20 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead  for the USPS.com Celejar <celejar@gmail.com> - 2022-01-05 14:50 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-05 18:30 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead  for the USPS.com Celejar <celejar@gmail.com> - 2022-01-05 18:50 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-05 19:50 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead  for the USPS.com Celejar <celejar@gmail.com> - 2022-01-05 22:00 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com "James H. H. Lampert" <jamesl@touchtonecorp.com> - 2022-01-04 21:00 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com Dan Ritter <dsr@randomstring.org> - 2022-01-04 22:30 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-05 06:20 +0100
                Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com Dan Ritter <dsr@randomstring.org> - 2022-01-05 13:50 +0100
            Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-04 19:50 +0100
      Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Dan Ritter <dsr@randomstring.org> - 2022-01-03 23:50 +0100
    Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-03 23:50 +0100
  Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com Charles Curley <charlescurley@charlescurley.com> - 2022-01-03 23:40 +0100
    Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Jeremy Ardley <jeremy@ardley.org> - 2022-01-03 23:50 +0100
      Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-04 00:30 +0100
        Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Jeremy Ardley <jeremy@ardley.org> - 2022-01-04 00:40 +0100
          Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com Jeremy Ardley <jeremy@ardley.org> - 2022-01-04 00:50 +0100
          Re: Firefox: Warning: Potential Security Risk Ahead for the  USPS.com local10 <local10@tutanota.com> - 2022-01-04 00:50 +0100
        Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com RP <reyadmin@gmail.com> - 2022-01-04 00:50 +0100
  Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com <tomas@tuxteam.de> - 2022-01-04 07:00 +0100
    [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com local10 <local10@tutanota.com> - 2022-01-04 13:00 +0100
      Re: [SOLVED] Re: Firefox: Warning: Potential Security Risk Ahead for  the USPS.com <tomas@tuxteam.de> - 2022-01-04 13:20 +0100
    GUIs (was: Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com) rhkramer@gmail.com - 2022-01-04 15:00 +0100
      Re: GUIs (was: Re: Firefox: Warning: Potential Security Risk Ahead  for the USPS.com) <tomas@tuxteam.de> - 2022-01-04 16:30 +0100

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